Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Lumber Defects01:23

Lumber Defects

562
Lumber defects, which can affect both the appearance and structural integrity of wood, include a variety of growth and manufacturing flaws. Growth defects such as knots and knotholes occur where branches were once attached to the tree trunk, with knotholes forming when these knots fall out. Other natural defects include decay and insect damage, which compromise the wood's strength and durability.
Shakes are minor fractures that run along or across the wood's annual rings, while wane is...
562
Fixed Action Patterns01:06

Fixed Action Patterns

17.7K
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
17.7K
Patterns of Fever01:26

Patterns of Fever

4.0K
Before understanding the types and patterns of fever, it is essential to know its phases.
4.0K
Control System Problem01:21

Control System Problem

443
In an open-loop system, such as a basic thermostat, the poles of the transfer function influence the system's response but do not determine its stability. However, when feedback is introduced to form a closed-loop system, such as an advanced thermostat that adjusts heating based on room temperature, stability is governed by the new poles of the closed-loop transfer function.
When forming a closed-loop system, issues can arise if the poles cross into the unstable region, leading to potential...
443
Oxygen Requirements and Growth Patterns01:29

Oxygen Requirements and Growth Patterns

1.5K
Microorganisms exhibit diverse oxygen requirements and growth patterns driven by their metabolic strategies and environmental adaptations. Oxygen, while essential for many organisms, can also be toxic under certain conditions, shaping how microorganisms grow and survive.Oxygen Requirements of MicroorganismsMicroorganisms are classified based on their ability to use or tolerate oxygen:● Obligate aerobes like Mycobacterium tuberculosis need oxygen for energy production, as it serves as the...
1.5K
Combinatorial Gene Control02:33

Combinatorial Gene Control

9.7K
Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
9.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Fluoride varnish application and the temporal evolution of supragingival microbiota in children with differential caries risk.

Journal of oral microbiology·2026
Same author

Î’-Lactoglobulin interacting with phlorizin alters its GI digestive peptide profile and synergistically enhances intestinal accessibility and MUC2 secretion on LS174T cells.

International journal of biological macromolecules·2026
Same author

Impact of SARS-CoV-2 infection history on the clinical features and outcomes of patients with recurrent pulmonary tuberculosis: a retrospective case-control study.

Annals of medicine·2026
Same author

Development and internal validation of a clinical prediction model for hemodialysis-related headache using LASSO and Boruta feature selection.

Scientific reports·2026
Same author

Targeting DYRK1A with harmine abrogates the FOXO1-NF-κB axis to alleviate cellular senescence and renal fibrosis.

Mechanisms of ageing and development·2026
Same author

Hypoxia Upregulates RIPK1 via the HIF-1α-JAK-STAT Pathway Leading to Astrocyte Necroptosis to Promote Cavitation After Spinal Cord Injury.

CNS neuroscience & therapeutics·2026
Same journal

Controlled Secondary Growth of CAU-1-NH<sub>2</sub> Membranes with Improved CO<sub>2</sub> Separation Performance.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Facile Fabrication and Stable Mechanism of a Microscale Heavy Calcium Carbonate Suspension.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Polycationic Biocidal Coatings: The Mechanism of Their Interaction with Cells.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Atomic-Scale Displacement in Ordered SmMnO<sub>3</sub> Nanoislands.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Vacancy Defect Modulated Interfacial Thermal Transport and Phonon Localization in AlGaN/GaN Heterojunctions.

Langmuir : the ACS journal of surfaces and colloids·2026
Same journal

Immobilization of Ytterbium via Polyphenol Chemistry on Implant Materials for Enhanced Cytocompatibility and Antibacterial Properties.

Langmuir : the ACS journal of surfaces and colloids·2026
See all related articles

Related Experiment Video

Updated: Feb 11, 2026

Creating Two-Dimensional Patterned Substrates for Protein and Cell Confinement
08:36

Creating Two-Dimensional Patterned Substrates for Protein and Cell Confinement

Published on: September 6, 2011

13.1K

Defect Patterns from Controlled Heterogeneous Nucleations by Polygonal Confinements.

Tao Yang1,2, Yu Zhu1, Haiyan Xue1

  • 1Ningxia Key Laboratory of Information Sensing & Intelligent Desert, School of Physics and Electronic-Electrical Engineering , Ningxia University , Yinchuan 750021 , China.

Langmuir : the ACS Journal of Surfaces and Colloids
|April 28, 2018
PubMed
Summary
This summary is machine-generated.

Researchers developed a method to create programmed defect patterns in crystalline structures using polygonal confinement. This technique allows for controlled defect arrangement, offering new possibilities for material design.

More Related Videos

Controllable Nucleation of Cavitation from Plasmonic Gold Nanoparticles for Enhancing High Intensity Focused Ultrasound Applications
08:19

Controllable Nucleation of Cavitation from Plasmonic Gold Nanoparticles for Enhancing High Intensity Focused Ultrasound Applications

Published on: October 5, 2018

6.9K
Forming, Confining, and Observing Microtubule-Based Active Nematics
08:37

Forming, Confining, and Observing Microtubule-Based Active Nematics

Published on: January 13, 2023

3.2K

Related Experiment Videos

Last Updated: Feb 11, 2026

Creating Two-Dimensional Patterned Substrates for Protein and Cell Confinement
08:36

Creating Two-Dimensional Patterned Substrates for Protein and Cell Confinement

Published on: September 6, 2011

13.1K
Controllable Nucleation of Cavitation from Plasmonic Gold Nanoparticles for Enhancing High Intensity Focused Ultrasound Applications
08:19

Controllable Nucleation of Cavitation from Plasmonic Gold Nanoparticles for Enhancing High Intensity Focused Ultrasound Applications

Published on: October 5, 2018

6.9K
Forming, Confining, and Observing Microtubule-Based Active Nematics
08:37

Forming, Confining, and Observing Microtubule-Based Active Nematics

Published on: January 13, 2023

3.2K

Area of Science:

  • Materials Science
  • Soft Matter Physics
  • Crystallography

Background:

  • Defects are common in crystalline structures, and controlling their formation is a key challenge.
  • Understanding defect behavior is crucial for tailoring material properties.

Purpose of the Study:

  • To propose and demonstrate a novel method for fabricating regular defect patterns.
  • To investigate defect pattern formation under polygonal confinement using computational modeling.

Main Methods:

  • Utilized time-dependent Ginzburg-Landau theory for modeling.
  • Employed cell dynamics simulations for numerical analysis.
  • Investigated heterogeneous nucleation in AB-diblock/C-homopolymer blends within polygonal confinements (square, pentagon, octagon).

Main Results:

  • Successfully fabricated defect patterns with regularly distributed "programmed defects".
  • Demonstrated that polygonal confinement induces nucleation events at corners/sides, leading to radial defect lines.
  • Observed five-seven defect pairs formed by merging incommensurate domain grains, with spacing dependent on angular mismatch.

Conclusions:

  • The proposed method enables the controlled fabrication of diverse defect patterns.
  • Polygonal confinement acts as a programmable nucleation agent for defect engineering.
  • This approach offers a pathway to design materials with tailored defect microstructures.